41 lines
924 B
Go
41 lines
924 B
Go
package dayfour
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import (
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"advent-of-code/internal/registry"
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"fmt"
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"os"
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"strings"
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)
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func init() {
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registry.Register("2022D4", ParseInput, PartOne, PartTwo)
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}
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func ParseInput(filepath string) []string {
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content, _ := os.ReadFile(filepath)
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return strings.Split(string(content), "\n")
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}
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func PartOne(data []string) int {
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count := 0
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for _, line := range data {
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parts := strings.Split(line, ",")
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var firstRangeStart, firstRangeEnd, secondRangeStart, secondRangeEnd int
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fmt.Sscanf(parts[0], "%d-%d", &firstRangeStart, &firstRangeEnd)
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fmt.Sscanf(parts[1], "%d-%d", &secondRangeStart, &secondRangeEnd)
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minStart := min(firstRangeStart, secondRangeStart)
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maxEnd := max(firstRangeEnd, secondRangeEnd)
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if (minStart == firstRangeStart && maxEnd == firstRangeEnd) || (minStart == secondRangeStart && maxEnd == secondRangeEnd) {
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count++
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}
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}
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return count
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}
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func PartTwo(data []string) int {
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return 0
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}
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